Datasheet

 2011-2017 Microchip Technology Inc. DS30009995E-page 293
PIC24FV32KA304 FAMILY
TABLE 29-40: A/D MODULE SPECIFICATIONS
AC CHARACTERISTICS
Standard Operating Conditions: 1.8V to 3.6V PIC24F32KA3XX
2.0V to 5.5V PIC24FV32KA3XX
Operating temperature -40°C  T A  +85°C for Industrial
-40°C  T
A  +125°C for Extended
Param
No.
Symbol Characteristic Min. Typ Max. Units Conditions
Device Supply
AD01 AV DD Module V DD Supply Greater of:
V
DD – 0.3 or 1.8
— Lesser of:
V DD + 0.3 or 3.6
V PIC24FXXKA30X devices
Greater of:
V
DD – 0.3 or 2.0
— Lesser of:
V DD + 0.3 or 5.5
V PIC24FVXXKA30X
devices
AD02 AV
SS Module V SS Supply V SS – 0.3 — V SS + 0.3 V
Reference Inputs
AD05 V
REFH Reference Voltage High AV SS + 1.7 — AV DD V
AD06 V
REFL Reference Voltage Low AV SS —AV DD – 1.7 V
AD07 V REF Absolute Reference
Voltage
AV SS – 0.3 — AV DD + 0.3 V
AD08 I
VREF Reference Voltage Input
Current
—1.25— mA
AD09 Z
VREF Reference Input
Impedance
—10k— 
Analog Input
AD10 V INH -V INL Full-Scale Input Span V REFL —V REFH V (Note 2)
AD11 V IN Absolute Input Voltage AV SS – 0.3 — AV DD + 0.3 V
AD12 V INL Absolute V INL Input
Voltage
AV SS – 0.3 — AV DD /2 V
AD17 R
IN Recommended
Impedance of Analog
Voltage Source
——1k 12-bit
A/D Accuracy
AD20b N R Resolution — 12 — bits
AD21b INL Integral Nonlinearity — ±1 ±9 LSb V
INL = AV SS = V REFL = 0V,
AV
DD = V REFH = 5V
AD22b DNL Differential Nonlinearity — ±1 ±5 LSb V
INL = AV SS = V REFL = 0V,
AV
DD = V REFH = 5V
AD23b G ERR Gain Error — ±1 ±9 LSb V INL = AV SS = V REFL = 0V,
AV
DD = V REFH = 5V
AD24b E
OFF Offset Error — ±1 ±5 LSb V INL = AV SS = V REFL = 0V,
AV
DD = V REFH = 5V
AD25b Monotonicity
(1)
— — — — Guaranteed
Note 1: The A/D conversion result never decreases with an increase in the input voltage.
2: Measurements are taken with external V REF + and V REF - used as the A/D voltage reference.